Characterization and Optimization of Heat Transfer from GRIP Metal Enhanced Surfaces

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NUCAP Industries has developed a novel method of enhancing the surface of metals in the form of small metal hooks (GRIP Metal). They have recognized the potential this surface structure holds for the enhancement of heat transfer; however, they do not have a complete understanding of how GRIP Metal design factors affect convective heat transfer performance. This proposal directly addresses NUCAP's need to develop the knowledge, models and design tools to allow them to design and optimize GRIP Metal surfaces for a wide range of heat exchange applications by developing comprehensive models to quantify heat transfer for a wide range of flowrates and fluids for a range of GRIP Metal designs. This will be accomplished through a series of experimental heat transfer measurements in conjunction with the development of numerical models and semi-empirical correlations which together will serve as design tools and help optimize GRIP Metal fabrication parameters for a given heat exchange design goal. The results will allow them to leverage their fabrication process to enable the development of new high-performance heat exchangers for a wide range of industrial applications. This launch of a novel and effective heat exchanger product line will allow NUCAP to position themselves in the innovative area of low-cost waste heat recovery or efficient space heating. This project could contribute to the local economy by creating more jobs at NUCAP's manufacturing facility in Toronto. It will also facilitate the development of a novel heat exchange technology which will result in system efficiencies, less waste, and greater savings for Canadian industries.